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Finding the Fourth Proportional to 301,203.66, 415,662.59 and 165,250.18

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Solution

The fourth proportional to 301,203.66, 415,662.59 and 165,250.18 is: 228,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,203.66 : 415,662.59 = 165,250.18 : x
  2. Step 2: Convert to fraction form
    301,203.66/415,662.59 = 165,250.18/x
  3. Step 3: Cross multiply
    301,203.66x = 415,662.59 × 165,250.18
  4. Step 4: Simplify right side
    301,203.66x = 68,688,315,481.84
  5. Step 5: Solve for x
    x = 68,688,315,481.84/301,203.66
  6. Step 6: Final answer
    x = 228,046.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.